. >> i cannot really explain, the amount of life, positivity, musical energy. it is impossible not to be happy about being part of that experience. and we got to share the stage with so many musicians that we respect. >> at just 20 years old, surprisingly, they were not the young is musicians on the train. there is a californian, who was only 15. what have you learned? >> everything. everything about music. you can literally just do anything you want with it and with anyone. >> the train has everything from a yoga teacher to a meeting room in a luggage wagon. journalist and former david cameron speechwriter was involved in raising money for the trip. about half the cost was made -- paid by the london 2012 cultural olympiad, which supported events celebrating the olympic and paralympic games. >> you want the artist to feel comfortable and not be worrying about the hotels and all that, but there has been a lot of planning. >> the job six years ago was from a country famous for its culture and music, but today, it is in chaos after a coup in the capital in which 2